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Profiled Rail Systems for Cast Mineral Mounting Surfaces

Profiled Rail Systems for Cast Mineral Mounting Surfaces

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During production of state-of-the-art cast mineral parts, special casting technology is used to make high-precision components which require no machining and which are mounted on a raw cast mineral base. Rexroth profiled rails with no bottom groove guarantee good contact along the entire mating surface even when high torque is applied to the mounting screws. The rails provide high-precision guidance without waviness or height deviations. The new contour reduces potential sources of error during machine installation and commissioning. Cast mineral is becoming increasingly popular in very highprecision machine tools and special machines. This advanced technology reduces the dependency on the steel, foundry and energy market.

Rexroth profiled rails with smooth bottom surface exploit the full potential of high-precision polymer-based mounting surfaces. The innovative roller rail systems are available in sizes 35 – 55 and in accuracy classes SP, P and H. They have more than 50 percent additional contact surface compared to profiled rails with a wide groove. As the result they offer the same extremely high-precision mating surface accuracy (<0.01 mm/m) as today’s cast polymer products but at lower surface pressure.